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| Floors | 4 |
| Completion | 1840 |
| Structural Form | low-rise building |
| Main Usage | jewellery store, commercial office |
| Status | existing |
| Architectural Style | neo-baroque |
| Address | Karl Johans gate 20 |
| Smart Address | Karl Johans gate 20 |
| City | Oslo |
| Country |  Norway |
